Gulf Fritillary Agraulis vanillae caterpiller
feeding on toxic passionvine leaves, a young Gulf Fritillary atains defensive chemicals along with nutrition.
Here's an informational tidbit just for shhexycorin:
The remains of a catterpillars diet after digestion are excreted as "frass"
---Butterflies of the East Coast, Rick Cech and Guy Tudor
Learn sumpin new every day!